Linux Security
Linux Security
Linux Security

Debian: DSA-4347-1: perl security update

Date 29 Nov 2018
7265
Posted By Anthony Pell
Multiple vulnerabilities were discovered in the implementation of the Perl programming language. The Common Vulnerabilities and Exposures project identifies the following problems:

- -------------------------------------------------------------------------
Debian Security Advisory DSA-4347-1                   This email address is being protected from spambots. You need JavaScript enabled to view it.
https://www.debian.org/security/                     Salvatore Bonaccorso
November 29, 2018                     https://www.debian.org/security/faq
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Package        : perl
CVE ID         : CVE-2018-18311 CVE-2018-18312 CVE-2018-18313 CVE-2018-18314

Multiple vulnerabilities were discovered in the implementation of the
Perl programming language. The Common Vulnerabilities and Exposures
project identifies the following problems:

CVE-2018-18311

    Jayakrishna Menon and Christophe Hauser discovered an integer
    overflow vulnerability in Perl_my_setenv leading to a heap-based
    buffer overflow with attacker-controlled input.

CVE-2018-18312

    Eiichi Tsukata discovered that a crafted regular expression could
    cause a heap-based buffer overflow write during compilation,
    potentially allowing arbitrary code execution.

CVE-2018-18313

    Eiichi Tsukata discovered that a crafted regular expression could
    cause a heap-based buffer overflow read during compilation which
    leads to information leak.

CVE-2018-18314

    Jakub Wilk discovered that a specially crafted regular expression
    could lead to a heap-based buffer overflow.

For the stable distribution (stretch), these problems have been fixed in
version 5.24.1-3+deb9u5.

We recommend that you upgrade your perl packages.

For the detailed security status of perl please refer to its security
tracker page at:
https://security-tracker.debian.org/tracker/perl

Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://www.debian.org/security/

Mailing list: This email address is being protected from spambots. You need JavaScript enabled to view it.

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